Arsenal will be eager to keep up their good run of form when they host Southampton in the Premier League on Saturday. Mikel Arteta’s Gunners remain unbeaten this season and have also won their last three consecutive games in all competitions. Arsenal will be heavy favourites at home against the Saints, who are still finding their feet in the top flight following promotion last season. Russell Martin’s charges are yet to win in the league, though they’ve had a taste of victory in the Carabao Cup this term. On Friday, Arteta provided some “good news” in terms of his personnel ahead of the Southa…